We found 2 dictionaries that define the word sentence structures:

General (2 matching dictionaries)

1. sentence structures: Collins English Dictionary
2. sentence structures: Vocabulary.com

(Note: See sentence_structure as well.)

Definitions from WordNet (sentence structure) ▸ noun:  the grammatical arrangement of words in sentences ▸ Also see sentence_structure ▸ Words similar to sentence structures ▸ Usage examples for sentence structures ▸ Idioms related to sentence structures ▸ Wikipedia articles (New!) ▸ Words that often appear near sentence structures ▸ Rhymes of sentence structures ▸ Invented words related to sentence structures